Home / 160,945,298.40-241,252,610.40-78,938,047.20

Finding the Fourth Proportional to 160,945,298.40, 241,252,610.40 and 78,938,047.20

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Solution

The fourth proportional to 160,945,298.40, 241,252,610.40 and 78,938,047.20 is: 118,325,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,945,298.40 : 241,252,610.40 = 78,938,047.20 : x
  2. Step 2: Convert to fraction form
    160,945,298.40/241,252,610.40 = 78,938,047.20/x
  3. Step 3: Cross multiply
    160,945,298.40x = 241,252,610.40 × 78,938,047.20
  4. Step 4: Simplify right side
    160,945,298.40x = 19,044,009,946,878,412
  5. Step 5: Solve for x
    x = 19,044,009,946,878,412/160,945,298.40
  6. Step 6: Final answer
    x = 118,325,978.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.